YZ20T4 Operation Microscope
The product is a double binocular operation microscope designed for two men.Assistant binocular can also be switched as opponent binocular.It is applicable in ophthalmic surgery and hand surgery, etc.


Assistant microscope can be converted to opponent microscope to meet the operation needs in ophthalmology and other departments.

Internal beam splitter can be connected with teaching tube and CCD system.

Equipped with three different objective lenses(f200/f250/f300)and applicable in ophthalmic surgery, orthopedic surgery and hand surgery.

Oblique illumination can  be used as slit illumination with slit width adjustable and 360° rotatable.

Multi-layer coating technology is used on all lenses to prevent mildew and enhance lens transmittance.

X/Y mobile automatic reset


Eyepiece Magnification

12.5×, 18×

Diopter Adjustment


Magnification for Main Microscope

f200: 4×, 6×, 10×, 16×, 25×

f250: 3.2×, 5×, 8×, 12.8×, 20×

f300: 2.7×, 4.2×, 6.7×, 11×, 17×

Magnification for Assistant Microscope

f200: 6×, 10×, 16×

f250: 5×, 8×, 12.8×

f300: 4.2×, 6.7×, 11×

Focal Length of Objective Lens

f=200 /250/300 mm

Pupilary Adjustment

50 mm ~ 75 mm 

Maximum Resolution

112 LP/mm

Working Distance

190 mm

Light Source

12V/100W, medical cold reflection halogen lamp 

Illumination Type

6°+0° coaxial illumination, 20° oblique illumination(can be used as silt illumination with slit width adjustable)

Coaxial Illuminance

≥50,000 Lx

Oblique Illuminance

≥45,000 Lx

Reaching Radius of Arm

1040 mm

Adjustable Vertical Range

850~1350 mm

Fine Focusing Speed and Range

≤2 mm/s,≥50 mm

Speed for X/Y and Range

≤2 mm/s,50 mm×50 mm

Input Voltage

AC 220V/110V±10%, 50Hz/60Hz

Power Consumption

330 VA


AC 250V   T4.0A, AC 125V  T8.0A

Electrical Safety Standard

IEC 60601-1, Class I

Packing Volume 

0.727 m3,5 cartons  

Total Weight 

210 kg